Putting Gas in Your Jeep Wrangler: What You Need to Know
Newer Jeep Wranglers require 17.5 to 21.5 gallons of regular or premium unleaded gasoline, but these specs vary by model year and engine.
Written by Pat Roache
Edited by R.E. Fulton
The most recent Jeep Wrangler has a gas tank capacity of 17.5 gallons to 21.5 gallons depending on the body configuration. This competent off-roader requires regular or premium unleaded gasoline depending on its engine and averages 20 to 23 mpg combined.
- The Jeep Wrangler’s gas tank size varies depending on the model year and whether it has a two-door or four-door body.
- The two-door Jeep Wrangler 4WD with automatic transmission and a four-cylinder engine gets the best gas mileage of any non-electric 2023 Wrangler.
- The Jeep Wrangler’s gas tank size varies depending on the model year and whether it has a two-door or four-door body.
- The two-door Jeep Wrangler 4WD with automatic transmission and a four-cylinder engine gets the best gas mileage of any non-electric 2023 Wrangler.
What type of gas does the Jeep Wrangler take?
All Jeep Wranglers from 2017 and earlier require regular unleaded gasoline with a minimum gas octane rating of 87. However, Jeep recommends some different types of fuel for newer Wranglers based on their engine:
- 3.6-L V6 engine: Regular unleaded gasoline
- 2.0-L turbocharged four-cylinder engine: Premium unleaded gasoline
- 6.4-L V8 engine: Regular unleaded gasoline
- 3.0-L turbodiesel V6 engine: Diesel
When in doubt: Check yourcar owner’s manualto verify the type of gas that your Jeep Wrangler requires.
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What is the Jeep Wrangler’s gas mileage?
The 2023 Jeep Wrangler receives the following EPA ratings based on powertrain:
- 3.6-L V6 engine: 17 mpg city/25 mpg highway/23 mpg combined
- 2.0-L turbocharged four-cylinder: 21 mpg city/24 mpg highway/22 mpg combined
- 6.4-L V8 engine: 13 mpg city/17 mpg highway/14 mpg combined
- 3.0-L turbodiesel V6 engine: 21 mpg city/26 mpg highway/23 mpg combined
The Jeep Wrangler’s gas mileage has been steadily increasing throughout its 20+ year production run. Older models from before 2020 were regularly rated for less than 20 MPG, with the average standard model getting 16 to 19 MPG combined.
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What is the Jeep Wrangler gas tank size?
The most recent generation of Jeep Wrangler from 2018 to present has a gas tank capacity of 17.5 gallons or 21.5 gallons, depending on its body configurations:
- Two-door Jeep Wranglers (2018–present): 17.5 gallons
- Four-door Jeep Wranglers (2018–present): 21.5 gallons
However, the Jeep Wrangler’s gas tank capacity varies for older generations:
- 2011–2017 Jeep Wranglers: 18.6 gallons (two-door); 22.5 gallons (four-door)
- 2007–2010 Jeep Wranglers: 18.6 gallons (two-door); 21.6 gallons (four-door)
- 2000–2006 Jeep Wranglers: 19.0 gallons
- 1997–1999 Jeep Wranglers: 15.0 gallons
How to save on Jeep Wrangler gas costs
- Keep up with acar maintenance schedule: Preventing unnecessary wear and tear will help preserve the maximum efficiency potential of your Jeep Wrangler.
- Adventure in moderation: Off-roading is demanding on your engine and can negatively impact fuel efficiency.
- Avoid idling, especially in cold weather: Idling drains gas, so drive your Wrangler gently to warm it up on those chilly winter mornings instead of letting it run.
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